5:54AM On The Wires (WIRES) : Santarus (SNTS) announced that it has begun patient enrollment in a multicenter, randomized, double-blind, placebo-controlled Phase IIIb clinical study with the investigational drug UCERIS tablets 9 mg to evaluate whether there is an incremental benefit when UCERIS 9 mg is added to current oral aminosalicylate therapy for patients with mild or moderate active ulcerative colitis who are not adequately controlled on background 5-ASA therapy.